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Off-Topic / NPR Article: How Well Can You Hear Audio Quality? Online Listening Test
Last post by 2tec -
Many listeners cannot hear the difference between uncompressed audio files and MP3s, but when it comes to audio quality, the size of the file isn't (ahem) everything. There are plenty of other ingredients to consider, from the quality of your headphones to the size of the room you're sitting in to, well, your own ears. Can you hear the difference? Take this quiz to find out. One hint: Turn your volume up.
foobar2000 mobile / Re: Where are playlists stored?
Last post by fbu84 -
Connected to a PC, I can browse to Android\data\com.foobar2000.foobar2000\files but it's empty.
It's super frustrating to not be able to access foobar2000 created playlists in order to copy them to other devices.
Other Lossy Codecs / Re: SACD to lossy vs. CD to lossy: do sample rate and bit depth matter?
Last post by DVDdoug -
What do you guys think about this video:  Sound beyond 20khz: The key to true high-fidelity?
I'm not going to watch the video, but the blind listening tests have been done.    If you low-pass filter at 20kHz you won't hear a difference.   

You can do your own ABX test.    ...If you use an audio editor (like Audacity) to make a low-pass filter, note that the cutoff frequency of a filter is defined as the -3dB point, so by definition a 20kHz low-pass filter is down 3dB at 20kHz, no matter how sharp the filter.   You probably still wouldn't hear it, but to keep it "flat" up to 20kHz, you'll need to use a higher cut-off frequency (and a steep filter, which is easy in software).

It's just the way the ear (and brain) works.   Our ears are something like a bandpass filter and our brain is something like a spectrum analyzer with some additional filtering. 

The guys who develop lossy encoders have determined that most of the time you can cut-off below 20kHz and not hear a difference because the highest frequencies in normal program material are weak and masked (drowned-out) by louder not-as-high frequencies, plus human hearing is weak at the highest audio frequencies.  Just because you can hear pure-loud 20kHz signals in a hearing test doesn't mean you'll hear them in music.   And not everybody can hear up to 20kHz. 

If there is no reason to limit frequency response (if you don't need to save file space or bandwidth) then there's no reason NOT to keep the full "traditional" 20-20kHz frequency range, or build equipment that can cover the full audio range.   And it "doesn't hurt" to go a bit beyond that.  

But if you have too much frequency range sometimes you can get unwanted side-effects with subsonic or ultrasonic signals or capability...   You don't want subsonic or ultrasonic "junk" going through your amplifier and to your speakers (unless you are trying to get subsonic "vibrations" from a subwoofer).  You especially don't want DC (zero Hz) in your audio.    Wave files are capable of 0Hz and I think MP3 is too.
General - (fb2k) / Re: Editing tags in foobar
Last post by musimath -
Reply #15,124770.msg1032934.html#msg1032934
Reply #17  Copy a new ripping of the album made with EAC to the HDD

Have you done this?

Yes, I did.
My remaining issues are detailed in Reply #23. At least up to today.
I also installed another portable foobar, in another disk, to prove all suggestions.

With regards to the former problematic album, that I re-ripped, I continue being unable to incorporate the album artist in the Library. As I open Metadata in Properties the performer's name appears OK in artist name, and the Album Artist field appears empty. When I write the name, after pressing save the window refuses to close, and the only option is to close it without saving.
The result: in Media Library display the album appears without artist's name.
General - (fb2k) / Re: Editing tags in foobar
Last post by musimath -
Your album count is not too much. Try to take a break from nuking your database and could you please provide the information I asked earlier for an album (or track) that doesn't work correctly. Your files have something special going on and it would be great to figure out what.

Dear Case,
Thank you. Please be more specific about the information I must collect.
General - (fb2k) / Re: Help needed - how to implement digital crossover in fb2k?
Last post by boxerfan88 -
Hello all,

I would like to report back the root cause - I can confirm that it was the SMSL driver that was causing the problem.

After much troubleshooting, I narrowed down the problem to the SMSL driver. Final solution was to remove the SMSL driver from the computer, reboot the computer. Windows will recognize the SMSL DAC using the Microsoft UAC2 driver.

Here's the final ASIO configuration that works perfectly now.